/* ==========================================================================
   ST-GO — portail des applications Android
   Design original, autonome : aucune police, aucun CDN, aucune librairie.
   Palette : emblème ST-GO (marine + ambre).
   ========================================================================== */

:root {
  --marine: #0d1b2a;
  --marine-2: #16324f;
  --ambre: #f5b324;
  --ambre-sombre: #b57f04;
  --ambre-fond: #fff7e6;
  --ambre-ligne: #f6dfae;
  --fond: #fbfcfe;
  --surface: #ffffff;
  --encre: #16202c;
  --gris: #5d6b7e;
  --trait: #e3e9f1;
  --rayon: 16px;
  --ombre: 0 10px 30px rgba(13, 27, 42, .08);
  --ombre-forte: 0 24px 60px rgba(13, 27, 42, .16);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--fond);
  color: var(--encre);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { color: var(--marine); letter-spacing: -.02em; line-height: 1.15; }
p { margin: 0 0 1em; }

:focus-visible {
  outline: 3px solid var(--ambre);
  outline-offset: 2px;
  border-radius: 4px;
}

.conteneur { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.saut-contenu {
  position: absolute; left: -9999px; top: 0;
  background: var(--marine); color: #fff; padding: 10px 16px; z-index: 100;
}
.saut-contenu:focus { left: 8px; top: 8px; }

/* --------------------------------------------------------------- En-tête */
.entete {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 252, 254, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--trait);
}
.entete-interieur {
  display: flex; align-items: center; gap: 28px; height: 66px;
}
.marque {
  display: flex; align-items: center; gap: 11px; text-decoration: none;
}
.marque img { width: 40px; height: 40px; border-radius: 11px; }
.marque-texte { display: flex; flex-direction: column; }
.marque-texte strong {
  display: block; font-size: 16px; font-weight: 800; color: var(--marine);
  letter-spacing: .06em; line-height: 1.1;
}
.marque-texte small {
  display: block; font-size: 9px; font-weight: 700; color: var(--gris);
  letter-spacing: .22em; text-transform: uppercase; line-height: 1.4;
}
.navigation { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.navigation a:not(.btn) {
  font-size: 14.5px; font-weight: 600; text-decoration: none; color: var(--encre);
}
.navigation a:not(.btn):hover { color: var(--ambre-sombre); }
.navigation a.actif { color: var(--marine); box-shadow: inset 0 -2px 0 var(--ambre); }

/* --------------------------------------------------------------- Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 24px; border-radius: 999px; border: 2px solid transparent;
  font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer;
  font-family: inherit; transition: transform .15s ease, background .15s ease,
    border-color .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-marine { background: var(--marine); color: #fff; }
.btn-marine:hover { background: var(--marine-2); }
.btn-ambre { background: var(--ambre); color: var(--marine); box-shadow: 0 8px 20px rgba(245, 179, 36, .35); }
.btn-ambre:hover { background: #ffc23f; }
.btn-contour { background: var(--surface); color: var(--marine); border-color: var(--trait); }
.btn-contour:hover { border-color: var(--marine); }
.btn-large { padding: 15px 34px; font-size: 16.5px; width: 100%; }
.btn-petit { padding: 9px 18px; font-size: 14px; }

/* ----------------------------------------------------------------- Hero */
.hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px;
  align-items: center; padding: 58px 0 34px;
}
.sur-titre {
  display: inline-block; margin: 0 0 16px; padding: 6px 15px;
  background: var(--ambre-fond); border: 1px solid var(--ambre-ligne);
  border-radius: 999px; color: var(--ambre-sombre);
  font-size: 12.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.hero h1 {
  margin: 0 0 16px; font-size: clamp(34px, 4.6vw, 54px); font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(transparent 60%, rgba(245, 179, 36, .55) 60%);
}
.chapo { font-size: 18px; color: var(--gris); max-width: 52ch; margin-bottom: 26px; }

.recherche { display: flex; gap: 10px; max-width: 470px; margin-bottom: 16px; }
.recherche input {
  flex: 1; min-width: 0; padding: 13px 20px; font-size: 15px; font-family: inherit;
  background: var(--surface); color: var(--encre);
  border: 1px solid var(--trait); border-radius: 999px; box-shadow: var(--ombre);
}
.recherche input::placeholder { color: #93a1b3; }
.recherche input:focus { outline: none; border-color: var(--ambre); box-shadow: 0 0 0 3px rgba(245, 179, 36, .28), var(--ombre); }

.confiance {
  list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 11px;
}
.confiance li {
  display: flex; align-items: flex-start; gap: 11px;
  font-size: 14.5px; color: var(--gris);
}
.confiance .coche {
  flex: none; width: 20px; height: 20px; border-radius: 50%;
  background: var(--ambre-fond); border: 1px solid var(--ambre-ligne);
  display: grid; place-items: center; margin-top: 2px;
}
.confiance .coche svg { width: 11px; height: 11px; }

.hero-visuel { position: relative; }
.hero-visuel::before {
  content: ""; position: absolute; inset: -10% -8%; z-index: -1;
  background: radial-gradient(closest-side, rgba(245, 179, 36, .28), transparent);
}
.hero-visuel img {
  border-radius: 22px; border: 1px solid var(--trait);
  box-shadow: var(--ombre-forte);
}

/* -------------------------------------------------------------- Sections */
.section { padding: 40px 0; }
.section-tete {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: 24px;
}
.sur-titre-section {
  margin: 0; color: var(--ambre-sombre); font-size: 12.5px; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
}
.section-tete h2 { margin: 6px 0 0; font-size: clamp(24px, 3vw, 34px); font-weight: 800; }
.lien {
  font-size: 14.5px; font-weight: 700; color: var(--marine); text-decoration: none;
  white-space: nowrap;
}
.lien:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ----------------------------------------------------------------- Cartes */
.grille {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.carte {
  display: block; background: var(--surface); border: 1px solid var(--trait);
  border-radius: var(--rayon); padding: 20px; text-decoration: none; color: inherit;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.carte:hover {
  transform: translateY(-3px); box-shadow: var(--shadow, var(--ombre));
  border-color: #d5deea;
}
.carte[hidden] { display: none; }
.carte-icone {
  width: 62px; height: 62px; border-radius: 15px; object-fit: cover;
  border: 1px solid var(--trait); margin-bottom: 14px;
}
.carte h3 { margin: 0 0 6px; font-size: 18px; font-weight: 700; }
.carte p {
  margin: 0 0 14px; font-size: 14px; color: var(--gris);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.carte-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--gris); font-weight: 600;
}
.puce {
  background: #eef2f8; color: #3c4b61; padding: 3px 11px;
  border-radius: 999px; font-size: 12px; font-weight: 700;
}
.puce-ambre {
  background: var(--ambre-fond); color: var(--ambre-sombre);
  border: 1px solid var(--ambre-ligne);
}
.carte-meta .sep { color: #c3ccd9; }

/* ------------------------------------------------------------ Catégories */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.chip {
  padding: 8px 17px; border-radius: 999px; border: 1px solid var(--trait);
  background: var(--surface); font-size: 14px; font-weight: 600;
  color: var(--encre); text-decoration: none;
}
.chip:hover { border-color: var(--marine); }
.chip.actif { background: var(--marine); border-color: var(--marine); color: #fff; }

/* --------------------------------------------------- Panneau « comment » */
.panneau-fonce {
  background: var(--marine); color: #dfe7f2; border-radius: 26px;
  padding: 44px 40px; margin: 30px 0;
}
.panneau-fonce h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin: 0 0 26px; }
.etapes {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.etape {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--rayon); padding: 22px;
}
.etape-num {
  width: 38px; height: 38px; border-radius: 50%; margin-bottom: 14px;
  background: var(--ambre); color: var(--marine);
  display: grid; place-items: center; font-weight: 800; font-size: 16px;
}
.etape p { margin: 0; font-size: 15px; line-height: 1.55; }

/* ---------------------------------------------------------- Pied de page */
.pied {
  background: var(--marine); color: #b7c4d6; margin-top: 60px;
  padding: 42px 0 30px;
}
.pied-interieur {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px;
  align-items: start; padding-bottom: 26px;
}
.pied .marque-texte strong { color: #fff; }
.pied .marque-texte small { color: #8fa1b8; }
.pied p { font-size: 14.5px; max-width: 46ch; margin: 16px 0 0; }
.pied-nav { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.pied-nav a {
  color: #dfe7f2; font-size: 14.5px; font-weight: 600; text-decoration: none;
}
.pied-nav a:hover { color: var(--ambre); }
.pied-bas {
  border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 20px;
  font-size: 13px; color: #8fa1b8;
}

/* Sélecteur de langue (fr / en / es) — même disposition que le dépôt APK. */
.pied-langues { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 10px; }
.pied-langues a {
  color: #8fa1b8; font-size: 13px; font-weight: 600;
  text-decoration: none; letter-spacing: .02em;
}
.pied-langues a:hover { color: var(--ambre); }
.pied-langues a[aria-current] {
  color: #fff; text-decoration: underline; text-underline-offset: 3px;
}

/* ------------------------------------------------------------ Page « Apps » */
.page-tete { padding: 44px 0 10px; }
.page-tete h1 { margin: 0 0 10px; font-size: clamp(30px, 4vw, 42px); font-weight: 800; }
.page-tete .chapo { margin-bottom: 22px; }
.barre-outils {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  margin: 22px 0 26px;
}
.barre-outils .recherche { flex: 1; min-width: 260px; max-width: 520px; margin: 0; }
.compte-resultats { font-size: 14px; color: var(--gris); font-weight: 600; }
.vide {
  padding: 54px 24px; text-align: center; color: var(--gris);
  border: 1px dashed var(--trait); border-radius: var(--rayon);
  background: var(--surface);
}
.vide strong { display: block; color: var(--marine); font-size: 18px; margin-bottom: 6px; }

/* ------------------------------------------------------- Page application */
.retour {
  display: inline-flex; align-items: center; gap: 7px; margin: 30px 0 24px;
  font-size: 14.5px; font-weight: 700; color: var(--marine); text-decoration: none;
}
.retour:hover { color: var(--ambre-sombre); }
.detail { display: grid; grid-template-columns: 1fr 330px; gap: 34px; padding-bottom: 20px; }
.detail-entete { display: flex; gap: 22px; align-items: center; margin-bottom: 8px; }
.detail-entete img {
  width: 104px; height: 104px; border-radius: 24px; object-fit: cover;
  border: 1px solid var(--trait); box-shadow: var(--ombre);
}
.detail-entete h1 { margin: 0 0 6px; font-size: clamp(28px, 3.4vw, 38px); font-weight: 800; }
.detail-tagline { margin: 0; color: var(--gris); font-size: 16px; }
.detail-puces { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0 0; }

.cta-zone {
  background: var(--ambre-fond); border: 1px solid var(--ambre-ligne);
  border-radius: 18px; padding: 22px; margin: 26px 0;
}
.cta-zone .note { margin: 14px 0 0; font-size: 13.5px; color: var(--gris); }
.cta-ligne { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cta-ligne .taille { font-size: 13.5px; color: var(--gris); font-weight: 600; }

.apropos h2 { font-size: 24px; margin: 34px 0 12px; }
.apropos p { color: #334155; white-space: pre-line; font-size: 15.5px; }

.aside-info {
  background: var(--surface); border: 1px solid var(--trait);
  border-radius: var(--rayon); padding: 24px; align-self: start;
  position: sticky; top: 90px;
}
.aside-info h2 { font-size: 17px; margin: 0 0 14px; }
.aside-info dl { margin: 0; }
.aside-info .ligne {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 11px 0; border-bottom: 1px solid var(--trait); font-size: 14px;
}
.aside-info .ligne:last-child { border-bottom: 0; }
.aside-info dt { color: var(--gris); }
.aside-info dd { margin: 0; font-weight: 700; color: var(--marine); text-align: right; }

/* ---------------------------------------------------------- Ma bibliothèque */
.mes-items { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 14px; }
.mes-item {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--trait);
  border-radius: var(--rayon); padding: 16px 18px;
}
.mes-item img { width: 52px; height: 52px; border-radius: 13px; object-fit: cover; }
.mes-item .info { flex: 1; min-width: 0; }
.mes-item .info strong { display: block; font-size: 16px; color: var(--marine); }
.mes-item .info span { font-size: 13px; color: var(--gris); }
.mes-item .actions { display: flex; gap: 8px; }
.btn-fantome {
  background: none; border: 1px solid var(--trait); border-radius: 999px;
  padding: 7px 15px; font-size: 13px; font-weight: 700; color: var(--gris);
  cursor: pointer; font-family: inherit;
}
.btn-fantome:hover { border-color: var(--marine); color: var(--marine); }

/* ------------------------------------------------------- Hors ligne / 404 */
.centre-page {
  min-height: 62vh; display: grid; place-items: center; text-align: center;
  padding: 60px 20px;
}
.centre-page img { width: 92px; height: 92px; border-radius: 24px; margin: 0 auto 22px; }
.centre-page h1 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 10px; }
.centre-page p { color: var(--gris); max-width: 46ch; margin: 0 auto 24px; }

/* -------------------------------------------------------------- Responsive */
@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding-top: 40px; }
  .detail { grid-template-columns: 1fr; }
  .aside-info { position: static; }
  .etapes { grid-template-columns: 1fr; }
  .pied-interieur { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .entete-interieur { gap: 14px; }
  .navigation { gap: 14px; }
  .navigation .btn-petit { display: none; }
  .section-tete { flex-direction: column; align-items: flex-start; }
  .detail-entete { flex-direction: column; align-items: flex-start; }
  .panneau-fonce { padding: 32px 22px; border-radius: 20px; }
}